- All Superinterfaces:
AttributePREVIEW<CodeAttributePREVIEW>
,AttributedElementPREVIEW
,ClassFileElementPREVIEW
,CodeModelPREVIEW
,CompoundElementPREVIEW<CodeElementPREVIEW>
,Iterable<CodeElementPREVIEW>
,MethodElementPREVIEW
,WritableElementPREVIEW<CodeAttributePREVIEW>
public sealed interface CodeAttribute
extends AttributePREVIEW<CodeAttributePREVIEW>, CodeModelPREVIEW
CodeAttribute
is a preview API of the Java platform.
Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.
Models the
Code
attribute 4.7.3, appears on non-native,
non-abstract methods and contains the bytecode of the method body. Delivered
as a MethodElement
PREVIEW when traversing the elements of a
MethodModel
PREVIEW.
The attribute does not permit multiple instances in a given location. Subsequent occurrence of the attribute takes precedence during the attributed element build or transformation.
- Since:
- 22
-
Method Summary
Modifier and TypeMethodDescriptionbyte[]
Returns the bytes (bytecode) of the code array.int
Returns The length of the code array in bytes.int
labelToBci
(LabelPREVIEW label) Returns the position of theLabel
in thecodeArray
or -1 if theLabel
does not point to thecodeArray
.Methods declared in interface java.lang.classfile.AttributePREVIEW
attributeMapper, attributeName
Methods declared in interface java.lang.classfile.AttributedElementPREVIEW
attributes, findAttribute, findAttributes
Methods declared in interface java.lang.classfile.CodeModelPREVIEW
exceptionHandlers, maxLocals, maxStack, parent
Methods declared in interface java.lang.classfile.CompoundElementPREVIEW
elementList, elements, elementStream, forEachElement, iterator
Methods declared in interface java.lang.Iterable
forEach, spliterator
Methods declared in interface java.lang.classfile.WritableElementPREVIEW
writeTo
-
Method Details
-
codeLength
int codeLength()Returns The length of the code array in bytes.- Returns:
- The length of the code array in bytes
-
codeArray
byte[] codeArray()Returns the bytes (bytecode) of the code array.- Returns:
- the bytes (bytecode) of the code array
-
labelToBci
Returns the position of theLabel
in thecodeArray
or -1 if theLabel
does not point to thecodeArray
.- Parameters:
label
- a marker for a position within thisCodeAttribute
- Returns:
- the position of the
Label
in thecodeArray
or -1 if theLabel
does not point to thecodeArray
-
CodeAttribute
when preview features are enabled.